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Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions | 9 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Operating Activities |  |
Net income including noncontrolling interests | $ 1,887 | $ 1,787
Net income | 1,806 | 1,687
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities: |  |
Depreciation, depletion and amortization (including nuclear fuel) | 1,706 | 1,649
Deferred income taxes and investment tax credits | 486 | 652
Proceeds from assignment of tower rental portfolio |  | 91
Contribution to pension plan |  | (75)
Gains on sales of assets and equity method investments | (196) | (61)
Provision for rate credits to electric utility customers | 77 |
Charges associated with future ash pond and landfill closure costs | 81 |
Charge associated with FERC-regulated plant disallowance | 129 |
Net gains on nuclear decommissioning trusts funds and other investments | (208) | (101)
Other adjustments | 10 | 14
Changes in: |  |
Accounts receivable | 129 | 247
Inventories | (37) | (34)
Deferred fuel and purchased gas costs, net | (226) | (81)
Prepayments | (81) | 34
Accounts payable | (167) | (158)
Accrued interest, payroll and taxes | (14) | 61
Margin deposit assets and liabilities | (5) | 51
Net realized and unrealized changes related to derivative activities | 101 | 18
Pension and other postretirement benefits | (79) | (132)
Other operating assets and liabilities | 118 | (290)
Net cash provided by operating activities | 3,711 | 3,672
Investing Activities |  |
Plant construction and other property additions (including nuclear fuel) | (3,111) | (4,122)
Acquisition of solar development projects | (108) | (343)
Proceeds from sales of securities | 1,301 | 1,496
Purchases of securities | (1,364) | (1,555)
Proceeds from assignments of shale development rights | 109 | 5
Proceeds from sale of certain merchant generation assets | 91 |
Contributions to equity method affiliates | (282) | (343)
Other | (5) | (6)
Net cash used in investing activities | (3,369) | (4,868)
Financing Activities |  |
Issuance (repayment) of short-term debt, net | (363) | (95)
Issuance of short-term notes | 1,450 |
Repayment of short-term notes | (1,450) | (250)
Issuance of long-term debt | 4,400 | 3,480
Repayment of long-term debt | (3,154) | (1,529)
Credit facility borrowings | 73 |
Issuance of common stock | 737 | 1,233
Common dividend payments | (1,635) | (1,435)
Other | (198) | (229)
Net cash provided by (used in) financing activities | (140) | 1,175
Increase (decrease) in cash, restricted cash and equivalents | 202 | (21)
Cash, restricted cash and equivalents at beginning of period | 185 | 322
Cash, restricted cash and equivalents at end of period | 387 | 301
Significant noncash investing and financing activities: |  |
Accrued capital expenditures | 197 | 355
Virginia Electric and Power Company |  |
Operating Activities |  |
Net income | 1,043 | 1,133
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities: |  |
Depreciation, depletion and amortization (including nuclear fuel) | 974 | 999
Deferred income taxes and investment tax credits | 175 | 262
Proceeds from assignment of tower rental portfolio |  | 91
Charges associated with future ash pond and landfill closure costs | 81 |
Provision for rate credits to customers | 77 |
Other adjustments | (48) | (28)
Changes in: |  |
Accounts receivable | (113) | 32
Affiliated receivables and payables | (8) | 159
Inventories | 40 | 1
Deferred fuel and purchased gas costs, net | (273) | (48)
Prepayments | (1) | (3)
Accounts payable | (28) | (33)
Accrued interest, payroll and taxes | 50 | 67
Net realized and unrealized changes related to derivative activities | 69 |
Asset retirement obligations | (29) | (63)
Other operating assets and liabilities | 197 | (99)
Net cash provided by operating activities | 2,206 | 2,470
Investing Activities |  |
Plant construction and other property additions (including nuclear fuel) | (1,696) | (1,901)
Purchases of nuclear fuel | (82) | (133)
Acquisition of solar development projects | (98) | (16)
Proceeds from sales of securities | 651 | 654
Purchases of securities | (681) | (681)
Other | (47) | (29)
Net cash used in investing activities | (1,953) | (2,106)
Financing Activities |  |
Issuance (repayment) of short-term debt, net | 392 | 255
Issuance of long-term debt | 700 | 1,500
Repayment of affiliated current borrowings, net | (18) | (226)
Repayment of long-term debt | (951) | (679)
Common dividend payments | (361) | (1,199)
Other | (7) | (10)
Net cash provided by (used in) financing activities | (245) | (359)
Increase (decrease) in cash, restricted cash and equivalents | 8 | 5
Cash, restricted cash and equivalents at beginning of period | 24 | 11
Cash, restricted cash and equivalents at end of period | 32 | 16
Significant noncash investing and financing activities: |  |
Accrued capital expenditures | 96 | 158
Dominion Energy Gas Holdings, LLC |  |
Operating Activities |  |
Net income | 317 | 302
Adjustments to reconcile net income including noncontrolling interests to net cash provided by operating activities: |  |
Depreciation, depletion and amortization (including nuclear fuel) | 173 | 167
Deferred income taxes and investment tax credits | 86 | 176
Gains on sales of assets and equity method investments | (109) | (61)
Charge associated with FERC-regulated plant disallowance | 129 |
Other adjustments | 5 | (9)
Changes in: |  |
Accounts receivable | 98 | 88
Inventories | (25) | (20)
Deferred fuel and purchased gas costs, net | 8 | 11
Prepayments | 46 | 39
Accounts payable | (110) | (68)
Accrued interest, payroll and taxes | (46) | (28)
Pension and other postretirement benefits | (108) | (98)
Other operating assets and liabilities | 23 | (13)
Affiliated receivables and payables | (25) | (11)
Net cash provided by operating activities | 462 | 475
Investing Activities |  |
Plant construction and other property additions (including nuclear fuel) | (550) | (535)
Proceeds from assignments of shale development rights | 109 | 5
Other | (14) | (7)
Net cash used in investing activities | (455) | (537)
Financing Activities |  |
Issuance (repayment) of short-term debt, net | (488) | 160
Issuance of long-term debt | 500 |
Repayment of affiliated current borrowings, net | 6 | (84)
Distribution payments to parent | (25) | (15)
Other | (4) |
Net cash provided by (used in) financing activities | (11) | 61
Increase (decrease) in cash, restricted cash and equivalents | (4) | (1)
Cash, restricted cash and equivalents at beginning of period | 30 | 43
Cash, restricted cash and equivalents at end of period | 26 | 42
Significant noncash investing and financing activities: |  |
Accrued capital expenditures | $ 43 | $ 54

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